view.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Prints an instance of edumeet.
 *
 * @package     mod_edumeet
 * @copyright   2019 Mészáros Mihály <misi@majd.eu>
 * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require(__DIR__.'/../../config.php');
require_once(__DIR__.'/lib.php');

// Course_module ID, or module instance id.
$id = optional_param('id', 0, PARAM_INT);
$k  = optional_param('k', 0, PARAM_INT);

if ($id) {
    $cm             = get_coursemodule_from_id('edumeet', $id, 0, false, MUST_EXIST);
    $course         = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
    $moduleinstance = $DB->get_record('edumeet', array('id' => $cm->instance), '*', MUST_EXIST);
} else if ($k) {
    $moduleinstance = $DB->get_record('edumeet', array('id' => $n), '*', MUST_EXIST);
    $course         = $DB->get_record('course', array('id' => $moduleinstance->course), '*', MUST_EXIST);
    $cm             = get_coursemodule_from_instance('edumeet', $moduleinstance->id, $course->id, false, MUST_EXIST);
} else {
    print_error(get_string('missingidandcmid', edumeet));
}

require_login($course, true, $cm);

$modulecontext = context_module::instance($cm->id);
require_capability('mod/edumeet:view', $modulecontext);

$event = \mod_edumeet\event\course_module_viewed::create(array(
    'objectid' => $moduleinstance->id,
    'context' => $modulecontext
));
$event->add_record_snapshot('course', $course);
$event->add_record_snapshot('edumeet', $moduleinstance);
$event->trigger();

$PAGE->set_url('/mod/edumeet/view.php', array('id' => $cm->id));
$PAGE->set_title(format_string($moduleinstance->name));
$PAGE->set_heading(format_string($course->fullname));
$PAGE->set_context($modulecontext);

echo $OUTPUT->header();
$url = get_config('edumeet')->baseurl."/".$moduleinstance->room;

if ($moduleinstance->pageredirect) {
    redirect($url);
}

?>
<div class="edumeet_home">
    <div>
        <a class="btn btn-lg btn-primary" target="_blank" href="<?php echo $url ?>">
            <i class="fa fa-users"></i> <?php echo get_string('join_room', 'edumeet');?>
        </a>
    <div>
</div>

<?php

echo $OUTPUT->footer();